<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
?>
<script>
require([
    'prototype'
], function () {

var CountryModel = Class.create();
CountryModel.prototype = {
    initialize : function()
    {
        this.reload = false;
        this.bindSpecificCountryRelation();
    },
    bindSpecificCountryRelation : function(parentId)
    {
        if(parentId) {
            // todo: fix bug in IE
            var applyCountryElements = $$('#'+parentId+' .shipping-applicable-country');
        } else {
            var applyCountryElements = $$('.shipping-applicable-country');
        }
        for(var i=0;i<applyCountryElements.length; i++) {
            Event.observe(applyCountryElements[i], 'change', this.checkSpecificCountry.bind(this));
            this.initSpecificCountry(applyCountryElements[i]);
        }

    },
    initSpecificCountry : function(element){
        var applyCountryElement = element;
        if (applyCountryElement && applyCountryElement.id) {
            var specifCountryElement  = $(applyCountryElement.id.replace(/sallowspecific/, 'specificcountry'));
            var showMethodElement  = $(applyCountryElement.id.replace(/sallowspecific/, 'showmethod'));
            //var specifErrMsgElement  = $(applyCountryElement.id.replace(/sallowspecific/, 'specificerrmsg'));
            if (specifCountryElement) {
                if (applyCountryElement.value == 1 && !specifCountryElement.hasAttribute('disabled')) {
                   //if specific country element selected
                   specifCountryElement.enable();
                   if (showMethodElement) {
                       this.showElement(showMethodElement.up(1));
                   }
                   //specifErrMsgElement.up(1).show();
                 } else {
                   specifCountryElement.disable();
                   if (showMethodElement) {
                       this.hideElement(showMethodElement.up(1));
                   }
                   //specifErrMsgElement.up(1).hide();
                }
            }
        }
    },

    checkSpecificCountry : function(event)
    {
        var applyCountryElement = Event.element(event);
        if (applyCountryElement && applyCountryElement.id) {
            var specifCountryElement  = $(applyCountryElement.id.replace(/sallowspecific/, 'specificcountry'));
            var showMethodElement  = $(applyCountryElement.id.replace(/sallowspecific/, 'showmethod'));
            // 'Use Default' checkbox of the related county list UI element
            var useDefaultElement = document.getElementById(specifCountryElement.id + '_inherit');

            //var specifErrMsgElement  = $(applyCountryElement.id.replace(/sallowspecific/, 'specificerrmsg'));
            if (specifCountryElement) {
                if (applyCountryElement.value == 1) {
                   // enable related country select only if its 'Use Default' checkbox is absent or is unchecked
                   specifCountryElement.disabled = useDefaultElement ? useDefaultElement.checked : false;
                   if (showMethodElement) {
                       this.showElement(showMethodElement.up(1));
                   }
                   //specifErrMsgElement.up(1).show();
                 } else {
                    this.unselectSpecificCountry(specifCountryElement);
                    specifCountryElement.disable();
                    if (showMethodElement) {
                        this.hideElement(showMethodElement.up(1));
                    }
                    //specifErrMsgElement.up(1).hide();
                }
            }
        }
    },

    unselectSpecificCountry : function(element)
    {
        for (var i=0; i<element.options.length; i++) {
            if (element.options[i].selected) {
              element.options[i].selected=false;
            }
        }
    },

    showElement : function(elm)
    {
        if (elm) {
            if (!elm.down('.shipping-skip-show')) {
                elm.show();
            }
        }
    },

    hideElement : function(elm)
    {
        if (elm) {
            if (!elm.down('.shipping-skip-hide')) {
                elm.hide();
            }
        }
    }

}
countryApply = new CountryModel();
});
</script>
